WO2014032215A1 - Environmentally friendly tin, zinc and manganese alloy bar for welding and preparation method therefor - Google Patents
Environmentally friendly tin, zinc and manganese alloy bar for welding and preparation method therefor Download PDFInfo
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- WO2014032215A1 WO2014032215A1 PCT/CN2012/001647 CN2012001647W WO2014032215A1 WO 2014032215 A1 WO2014032215 A1 WO 2014032215A1 CN 2012001647 W CN2012001647 W CN 2012001647W WO 2014032215 A1 WO2014032215 A1 WO 2014032215A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
Definitions
- the present invention relates to the field of alloy bars, and in particular to an environmentally friendly tin-zinc-manganese alloy rod for welding and a preparation method thereof.
- tin-silver-copper alloy there are generally two types of welding materials available on the market: one is a tin-silver-copper alloy, and the other is a tin-lead alloy. With the implementation of ROHS's policy for the ban on lead in the electronics industry, lead-containing solder materials have failed to meet high environmental standards.
- an environmentally friendly tin-zinc-manganese alloy rod for welding consisting of the following components: tin of 68-70% of the total weight of the alloy rod, 28-30% of the total weight of the alloy rod, accounting for the total weight of the alloy rod 1- 2.5% manganese.
- the environmentally-friendly tin-zinc-manganese alloy rod for welding may be composed of the following components: tin which accounts for 69% of the total weight of the alloy rod, and zinc which accounts for 29% of the total weight of the alloy rod, which accounts for the total of the alloy rod. 2% manganese by weight.
- the environmentally friendly tin-zinc-manganese alloy rod for welding may be as follows Component composition: Tin, which accounts for 68% of the total weight of the alloy rod, accounts for 28% of the total weight of the alloy rod, and accounts for 1% of the total weight of the alloy rod.
- the environmentally friendly tin-zinc-manganese alloy rod for welding may be composed of the following components: tin which accounts for 70% of the total weight of the alloy rod, and zinc which accounts for 30% of the total weight of the alloy rod, which accounts for the alloy rod. A total weight of 2.5% manganese.
- a preparation method of environmentally friendly tin-zinc-manganese alloy rod for welding comprises the following steps:
- the fully molten liquid alloy in step 2), may be agitated using a special graphite tool.
- the graphite powder in step 2) may be a high-purity flaky graphite powder having a thickness of 30-35 mm.
- the alloy rod in step 5 may be stripped using a high-precision tungsten steel thin skin mold.
- the environmentally-friendly tin-zinc-manganese-copper alloy rod for welding disclosed in the present invention replaces the lead element while satisfying the performance of the original conventional welding material, and satisfies the ROHS requirement; in addition, the added manganese element achieves the purpose of preventing oxidation of zinc. Moreover, the material cost is greatly reduced while the stability of the welded carrier is improved.
- BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be further illustrated by the following examples, but does not limit the scope of application of the present invention.
- the environmentally friendly tin-zinc-manganese alloy rod used for welding consists of the following components: tin, which accounts for 69% of the total weight of the alloy rod, and zinc, which accounts for 29% of the total weight of the alloy rod, and manganese, which accounts for 2% of the total weight of the alloy rod.
- the above-mentioned environmentally friendly tin-zinc-manganese alloy rod for welding is obtained by the following steps:
- Step 1 Place tin and zinc in a power frequency electric furnace according to the ratio, heat to 600 °C-680 °C, completely melt and then heat to 550 °C. Simultaneously place manganese in a dry boiler and heat to 1280 °C. -1300
- Step 2 The completely melted liquid manganese is uniformly added to the tin-zinc liquid alloy being insulated and thoroughly stirred, and the surface is covered with graphite powder to prevent oxidation thereof, and the thickness is about 30-35 mm.
- Step 3 After the heat preservation time is 40-45 minutes, the temperature is raised again to 1350 °C, and the vibration device of the power frequency electric furnace is turned on, and the vibration frequency is 1 time/second.
- a solid alloy bar having an outer diameter of 25 mm and a length of 1500 mm was cast by a horizontal continuous casting method.
- Step 4 One end of the alloy rod is made into a drawing section having a length of 100 mm and a diameter of 15 mm by a heading machine.
- Step 5 Strip the alloy rod once to 21 mm with a high-precision tungsten steel thin skin mold.
- Step 6 The alloy rod is stretched to 8 mm multiple times with a finished mold with a tolerance of +/- 0.05 mm, a length of 1000 mm, and a tolerance of +l/-0 mm.
- Step 7 The package is incorporated into the library.
- Example 2 An environmentally friendly tin-zinc-manganese alloy rod for welding consists of the following components: tin, which accounts for 68% of the total weight of the alloy rod, and zinc, which accounts for 28% of the total weight of the alloy rod, and manganese, which accounts for 1% of the total weight of the alloy rod.
- tin which accounts for 68% of the total weight of the alloy rod
- zinc which accounts for 28% of the total weight of the alloy rod
- manganese which accounts for 1% of the total weight of the alloy rod.
- the environmentally friendly tin-zinc-manganese alloy rod for welding consists of the following components: tin, which accounts for 70% of the total weight of the alloy rod, zinc, which accounts for 30% of the total weight of the alloy rod, and manganese, which accounts for 2.5% of the total weight of the alloy rod.
- tin which accounts for 70% of the total weight of the alloy rod
- zinc which accounts for 30% of the total weight of the alloy rod
- manganese which accounts for 2.5% of the total weight of the alloy rod.
- the tin-silver-copper alloy rod consists of the following components: 96.5% of the total amount of alloy rods, 3.0% of the total amount of alloy rods, and 0.5% of the total amount of alloy rods.
- the above tin-silver-copper alloy rod is obtained by a method known in the art.
- the tin-lead alloy rod consists of the following components: 63% of the total amount of alloy rods, and lead of 37% of the total alloy rods.
- the above tin-lead alloy rods are obtained by a method known in the art.
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- Mechanical Engineering (AREA)
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- Continuous Casting (AREA)
- Arc Welding In General (AREA)
Abstract
Disclosed are an environmentally friendly tin, zinc and manganese alloy bar for welding and a preparation method therefor, wherein the tin, zinc and manganese alloy bar is composed of the following components: tin accounting for 68-70% of the total weight of the alloy bar, zinc accounting for 28-30% of the total weight of the alloy bar, and manganese accounting for 1-2.5% of the total weight of the alloy bar. The manganese element added in the tin, zinc and manganese alloy bar achieves the purpose of preventing the oxidization of zinc.
Description
一种用于焊接的环保锡锌锰合金棒及其制备方法 技术领域 本发明涉及合金棒材领域，具体涉及一种用于焊接的环保锡锌锰合金 棒及其制备方法。 背景技术 市场上现有的焊接材料一般为两种： 一种为锡银铜合金， 另一种为锡 铅合金。随着 ROHS在电子工业中的禁铅指令的政策实施，含铅的锡焊材 料已经不能满足高标准的环保要求。而锡银铜合金的应用难点不仅仅是要 求焊炉温度比原来铅合金高 30°C， 而且其成本也比锡铅合金高 25%, 更 重要的是此温度的提高会大大降低暴露元器件的稳定性。 因此， 锡锌合金 被进一步研究。 但是， 锌的氧化阻止了这种合金的应用。 发明内容 TECHNICAL FIELD The present invention relates to the field of alloy bars, and in particular to an environmentally friendly tin-zinc-manganese alloy rod for welding and a preparation method thereof. BACKGROUND OF THE INVENTION There are generally two types of welding materials available on the market: one is a tin-silver-copper alloy, and the other is a tin-lead alloy. With the implementation of ROHS's policy for the ban on lead in the electronics industry, lead-containing solder materials have failed to meet high environmental standards. The difficulty in the application of tin-silver-copper alloy is not only that the temperature of the soldering furnace is 30°C higher than that of the original lead alloy, but also the cost is 25% higher than that of the tin-lead alloy. More importantly, the increase of the temperature will greatly reduce the exposed components. Stability. Therefore, tin-zinc alloys have been further studied. However, the oxidation of zinc prevents the application of this alloy. Summary of the invention
本发明的目的在于提供一种用于焊接的环保锡锌锰合金棒及其制备 方法。 It is an object of the present invention to provide an environmentally friendly tin-zinc-manganese alloy rod for welding and a method of preparing the same.
为了实现上述发明目的， 本发明采用的技术方案如下： In order to achieve the above object, the technical solution adopted by the present invention is as follows:
一种用于焊接的环保锡锌锰合金棒， 由以下组分组成： 占合金棒总重 量 68-70%的锡， 占合金棒总重量 28-30%的锌， 占合金棒总重量 1-2.5%的 锰。 在本发明的一实施例中，用于焊接的环保锡锌锰合金棒可以由以下组 分组成： 占合金棒总重量 69%的锡， 占合金棒总重量 29%的锌， 占合金棒 总重量 2%的锰。 在本发明的另一实施例中，用于焊接的环保锡锌锰合金棒可以由以下
组分组成： 占合金棒总重量 68%的锡， 占合金棒总重量 28%的锌， 占合金 棒总重量 1%的锰。 An environmentally friendly tin-zinc-manganese alloy rod for welding, consisting of the following components: tin of 68-70% of the total weight of the alloy rod, 28-30% of the total weight of the alloy rod, accounting for the total weight of the alloy rod 1- 2.5% manganese. In an embodiment of the invention, the environmentally-friendly tin-zinc-manganese alloy rod for welding may be composed of the following components: tin which accounts for 69% of the total weight of the alloy rod, and zinc which accounts for 29% of the total weight of the alloy rod, which accounts for the total of the alloy rod. 2% manganese by weight. In another embodiment of the present invention, the environmentally friendly tin-zinc-manganese alloy rod for welding may be as follows Component composition: Tin, which accounts for 68% of the total weight of the alloy rod, accounts for 28% of the total weight of the alloy rod, and accounts for 1% of the total weight of the alloy rod.
在本发明的又一实施例中，用于焊接的环保锡锌锰合金棒可以由以下 组分组成： 占合金棒总重量 70%的锡， 占合金棒总重量 30%的锌， 占合金 棒总重量 2.5%的锰。 一种用于焊接的环保锡锌锰合金棒的制备方法， 包括以下步骤： In still another embodiment of the present invention, the environmentally friendly tin-zinc-manganese alloy rod for welding may be composed of the following components: tin which accounts for 70% of the total weight of the alloy rod, and zinc which accounts for 30% of the total weight of the alloy rod, which accounts for the alloy rod. A total weight of 2.5% manganese. A preparation method of environmentally friendly tin-zinc-manganese alloy rod for welding comprises the following steps:
1 )按照配比将锡、 锌置于工频电炉内， 加热至 600°C-680°C完全熔化 后保温至 550°C ; 同时将锰单独置于干锅炉内， 加热至 1280°C-1300°C使 其完全熔化。 1) Place tin and zinc in a power frequency electric furnace according to the ratio, heat to 600 °C-680 °C, completely melt and then heat to 550 °C; simultaneously place manganese in a dry boiler and heat to 1280 °C- It was completely melted at 1300 °C.
2 ) 将完全熔化的液态锰均匀添加到正在保温的锡锌液态合金中并充 分搅拌， 表面覆盖石墨粉以防止其氧化； 2) uniformly adding completely melted liquid manganese to the tin-zinc liquid alloy being insulated and fully agitating, and the surface is covered with graphite powder to prevent oxidation thereof;
3 )保温 40-45分钟后， 升温至 1350°C， 并开启工频电炉的振动装置， 采用水平连铸方法铸造成实心合金棒材； 3 ) After 40-45 minutes of heat preservation, the temperature is raised to 1350 °C, and the vibration device of the power frequency electric furnace is turned on, and the solid alloy bar is cast by the horizontal continuous casting method;
4) 将步骤 3 ) 得到的合金棒的一端制成拉拔段； 4) forming one end of the alloy rod obtained in step 3) into a drawing section;
5 ) 将步骤 4 ) 得到的合金棒进行剥皮； 5) peeling the alloy rod obtained in step 4);
6) 将步骤 5 ) 得到的合金棒拉伸为成品规格。 6) Extend the alloy rod obtained in step 5) to the finished product specification.
在本发明的实施例中， 步骤 2) 中， 可以用特制石墨工具对完全熔化 的液态合金进行搅拌。 In an embodiment of the invention, in step 2), the fully molten liquid alloy may be agitated using a special graphite tool.
在本发明的实施例中， 步骤 2) 中的石墨粉可以为高纯度鳞片状石墨 粉， 覆盖厚度可以为 30-35 mm。 在本发明的实施例中， 步骤 5 ) 中， 可以采用高精度钨钢薄皮模对合 金棒进行剥皮。 In an embodiment of the invention, the graphite powder in step 2) may be a high-purity flaky graphite powder having a thickness of 30-35 mm. In the embodiment of the present invention, in step 5), the alloy rod may be stripped using a high-precision tungsten steel thin skin mold.
本发明公开的用于焊接的环保锡锌锰铜合金棒在保证原有传统焊接 材料性能的同时， 将铅元素取代， 满足了 ROHS要求； 此外， 添加的锰元 素达到了阻止锌的氧化的目的，而且在大大降低了材料成本的同时还提高 了焊接载体的稳定性。
具体实施方式 以下结合实施例对本发明作进一步说明，但并非限制本发明的应用范 围。 The environmentally-friendly tin-zinc-manganese-copper alloy rod for welding disclosed in the present invention replaces the lead element while satisfying the performance of the original conventional welding material, and satisfies the ROHS requirement; in addition, the added manganese element achieves the purpose of preventing oxidation of zinc. Moreover, the material cost is greatly reduced while the stability of the welded carrier is improved. BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be further illustrated by the following examples, but does not limit the scope of application of the present invention.
实施例 1 Example 1
用于焊接的环保锡锌锰合金棒， 由以下组分组成： 占合金棒总重量 69%的锡， 占合金棒总重量 29%的锌， 占合金棒总重量 2%的锰。 上述用于焊接的环保锡锌锰合金棒由以下步骤制得： The environmentally friendly tin-zinc-manganese alloy rod used for welding consists of the following components: tin, which accounts for 69% of the total weight of the alloy rod, and zinc, which accounts for 29% of the total weight of the alloy rod, and manganese, which accounts for 2% of the total weight of the alloy rod. The above-mentioned environmentally friendly tin-zinc-manganese alloy rod for welding is obtained by the following steps:
步骤一： 按照配比将锡、 锌置于工频电炉内， 加热至 600°C-680°C完 全熔化后保温至 550°C ; 同时将锰单独置于干锅炉内，加热至 1280°C-1300 Step 1: Place tin and zinc in a power frequency electric furnace according to the ratio, heat to 600 °C-680 °C, completely melt and then heat to 550 °C. Simultaneously place manganese in a dry boiler and heat to 1280 °C. -1300
°〇使其完全熔化。 步骤二：将完全熔化的液态锰均匀添加到正在保温的锡锌液态合金中 并充分搅拌， 表面覆盖石墨粉以防止其氧化， 厚度约为 30-35mm。 °〇 Let it melt completely. Step 2: The completely melted liquid manganese is uniformly added to the tin-zinc liquid alloy being insulated and thoroughly stirred, and the surface is covered with graphite powder to prevent oxidation thereof, and the thickness is about 30-35 mm.
步骤三： 保温时间 40-45分钟后， 重新升温至 1350°C， 并开启工频电 炉的振动装置，振动频率为 1次 /秒。采用水平连铸方法铸造成外径为 25mm, 长度为 1500mm的实心合金棒材。 步骤四： 用制头机将合金棒的一端制成长度为 100mm, 直径为 15mm 的拉拔段。 Step 3: After the heat preservation time is 40-45 minutes, the temperature is raised again to 1350 °C, and the vibration device of the power frequency electric furnace is turned on, and the vibration frequency is 1 time/second. A solid alloy bar having an outer diameter of 25 mm and a length of 1500 mm was cast by a horizontal continuous casting method. Step 4: One end of the alloy rod is made into a drawing section having a length of 100 mm and a diameter of 15 mm by a heading machine.
歩骤五： 用高精度钨钢薄皮模将合金棒剥皮一次至 21mm。 Step 5: Strip the alloy rod once to 21 mm with a high-precision tungsten steel thin skin mold.
步骤六： 用成品模将合金棒多次拉伸为 8mm， 公差为 +/-0.05mm,长度 定尺为 1000mm,公差为 +l/-0mm。 步骤七： 包装并入库。 Step 6: The alloy rod is stretched to 8 mm multiple times with a finished mold with a tolerance of +/- 0.05 mm, a length of 1000 mm, and a tolerance of +l/-0 mm. Step 7: The package is incorporated into the library.
实施例 2 用于焊接的环保锡锌锰合金棒， 由以下组分组成： 占合金棒总重量 68%的锡， 占合金棒总重量 28%的锌， 占合金棒总重量 1%的锰。 上述用于焊接的环保锡锌锰合金棒成品通过与实施例 1相同的方法得 到。
实施例 3 Example 2 An environmentally friendly tin-zinc-manganese alloy rod for welding consists of the following components: tin, which accounts for 68% of the total weight of the alloy rod, and zinc, which accounts for 28% of the total weight of the alloy rod, and manganese, which accounts for 1% of the total weight of the alloy rod. The above-mentioned environmentally friendly tin-zinc-manganese alloy rod product for welding was obtained in the same manner as in Example 1. Example 3
用于焊接的环保锡锌锰合金棒， 由以下组分组成： 占合金棒总重量 70%的锡， 占合金棒总重量 30%的锌， 占合金棒总重量 2.5%的锰。 上述用于焊接的环保锡锌锰合金棒成品通过与实施例 1相同的方法得 到。 The environmentally friendly tin-zinc-manganese alloy rod for welding consists of the following components: tin, which accounts for 70% of the total weight of the alloy rod, zinc, which accounts for 30% of the total weight of the alloy rod, and manganese, which accounts for 2.5% of the total weight of the alloy rod. The above-mentioned environmentally friendly tin-zinc-manganese alloy rod product for welding was obtained in the same manner as in Example 1.
比较例 1 Comparative example 1
锡银铜合金棒由以下组分组成： 占合金棒总量 96.5%的锡， 占合金棒 总量 3.0%的银， 占合金棒总量 0.5%的铜。 The tin-silver-copper alloy rod consists of the following components: 96.5% of the total amount of alloy rods, 3.0% of the total amount of alloy rods, and 0.5% of the total amount of alloy rods.
上述锡银铜合金棒采用本领域公知的方法得到。 The above tin-silver-copper alloy rod is obtained by a method known in the art.
比较例 2 Comparative example 2
锡铅合金棒由以下组分组成： 占合金棒总量 63%的锡， 占合金棒总量 37%的铅。 上述锡铅合金棒采用本领域公知的方法得到。 The tin-lead alloy rod consists of the following components: 63% of the total amount of alloy rods, and lead of 37% of the total alloy rods. The above tin-lead alloy rods are obtained by a method known in the art.
本发明的用于焊接的环保锡锌锰合金棒以及锡银铜合金棒和锡铅合 金棒的机械性能如表 1所示。 The mechanical properties of the environmentally friendly tin-zinc-manganese alloy rod and the tin-silver-copper alloy rod and the tin-lead alloy rod for welding of the present invention are shown in Table 1.
表 1 Table 1
以上所述仅为本发明的较佳实施例， 并非用来限定本发明的实施范 围； 如果不脱离本发明的精神和范围， 对本发明进行修改或者等同替换， 均应涵盖在本发明权利要求的保护范围当中。
The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; the invention is modified or equivalently substituted without departing from the spirit and scope of the invention. Within the scope of protection.
Claims
1. 一种用于焊接的环保锡锌锰合金棒，其特征在于，由以下组分组成: 占合金棒总重量 68-70%的锡， 占合金棒总重量 28-30%的锌， 占合金棒总 重量 1-2.5%的锰。 1. An environmentally friendly tin-zinc-manganese alloy rod for welding, characterized in that it is composed of the following components: tin, which accounts for 68-70% of the total weight of the alloy rod, accounts for 28-30% of the total weight of the alloy rod, accounting for The total weight of the alloy rod is 1-2.5% manganese.
2. 根据权利要求 1 所述的用于焊接的环保锡锌锰合金棒， 其特征在 于， 由以下组分组成： 占合金棒总重量 69%的锡， 占合金棒总重量 29%的 锌， 占合金棒总重量 2%的锰。 2. The environmentally-friendly tin-zinc-manganese alloy rod for welding according to claim 1, characterized by comprising: tin which accounts for 69% of the total weight of the alloy rod, and zinc which accounts for 29% of the total weight of the alloy rod, Manganese, which accounts for 2% of the total weight of the alloy rod.
3. 根据权利要求 1 所述的用于焊接的环保锡锌锰合金棒， 其特征在 于， 由以下组分组成： 占合金棒总重量 68%的锡， 占合金棒总重量 28%的 锌， 占合金棒总重量 1%的锰。 3. The environmentally-friendly tin-zinc-manganese alloy rod for welding according to claim 1, characterized by comprising: tin which accounts for 68% of the total weight of the alloy rod, and zinc which accounts for 28% of the total weight of the alloy rod, Manganese, which accounts for 1% of the total weight of the alloy rod.
4. 根据权利要求 1 所述的用于焊接的环保锡锌锰合金棒， 其特征在 于， 由以下组分组成： 占合金棒总重量 70%的锡， 占合金棒总重量 30%的 锌， 占合金棒总重量 2.5%的锰。 4. The environmentally friendly tin-zinc-manganese alloy rod for welding according to claim 1, characterized by comprising: tin which accounts for 70% of the total weight of the alloy rod, and zinc which accounts for 30% of the total weight of the alloy rod, Manganese, which accounts for 2.5% of the total weight of the alloy rod.
5. 一种如权利要求 1至 4中任一项权利要求所述的用于焊接的环保锡 锌锰合金棒的制备方法， 其特征在于， 包括以下步骤： 5. A method of preparing an environmentally friendly tin-zinc-manganese alloy rod for welding according to any one of claims 1 to 4, comprising the steps of:
1 )按照配比将锡、 锌置于工频电炉内， 加热至 600°C-680°C完全熔化 后保温至 550°C ; 同时将锰单独置于干锅炉内， 加热至 1280°C-1300°C使 其完全熔化； 1) Place tin and zinc in a power frequency electric furnace according to the ratio, heat to 600 °C-680 °C, completely melt and then heat to 550 °C; simultaneously place manganese in a dry boiler and heat to 1280 °C- It is completely melted at 1300 ° C;
2 ) 将完全熔化的液态锰均匀添加到正在保温的锡锌液态合金中并充 分搅拌， 表面覆盖石墨粉以防止其氧化； 2) uniformly adding completely melted liquid manganese to the tin-zinc liquid alloy being insulated and fully agitating, and the surface is covered with graphite powder to prevent oxidation thereof;
3 )保温 40-45分钟后， 升温至 1350°C， 并开启工频电炉的振动装置， 采用水平连铸方法铸造成实心合金棒材； 3 ) After 40-45 minutes of heat preservation, the temperature is raised to 1350 °C, and the vibration device of the power frequency electric furnace is turned on, and the solid alloy bar is cast by the horizontal continuous casting method;
4) 将步骤 3 ) 得到的合金棒的一端制成拉拔段； 4) forming one end of the alloy rod obtained in step 3) into a drawing section;
5 ) 将步骤 4 ) 得到的合金棒进行剥皮； 5) peeling the alloy rod obtained in step 4);
6) 将步骤 5 ) 得到的合金棒拉伸为成品规格。 6) Extend the alloy rod obtained in step 5) to the finished product specification.
6. 根据权利要求 5所述的用于焊接的环保锡锌锰合金棒的制备方法，
其特征在于， 步骤 2) 中， 用特制石墨工具对完全熔化的液态合金进行搅 拌。 6. The method for preparing an environmentally friendly tin-zinc-manganese alloy rod for welding according to claim 5, It is characterized in that in step 2), the completely molten liquid alloy is stirred with a special graphite tool.
7. 根据权利要求 6所述的用于焊接的环保锡锌锰合金棒的制备方法， 其特征在于，步骤 2)中的石墨粉为高纯度鳞片状石墨粉，覆盖厚度为 30-35 mm。 7. The method for preparing an environmentally friendly tin-zinc-manganese alloy rod for welding according to claim 6, wherein the graphite powder in the step 2) is a high-purity flaky graphite powder having a thickness of 30-35 mm.
8. 根据权利要求 7所述的用于焊接的环保锡锌锰合金棒的制备方法， 其特征在于， 步骤 5 ) 中， 采用高精度钨钢薄皮模对合金棒进行剥皮。
8. The method for preparing an environmentally-friendly tin-zinc-manganese alloy rod for welding according to claim 7, wherein in step 5), the alloy rod is stripped by a high-precision tungsten steel thin skin mold.
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| CN2012103083435A CN102787256A (en) | 2012-08-28 | 2012-08-28 | Environment-friendly tin-zinc-manganese alloy rod for welding and preparation method thereof |
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| CN102787256A (en) * | 2012-08-28 | 2012-11-21 | 苏州金仓合金新材料有限公司 | Environment-friendly tin-zinc-manganese alloy rod for welding and preparation method thereof |
| CN103042318B (en) * | 2013-01-16 | 2015-08-05 | 苏州金仓合金新材料有限公司 | A kind of environmental protection tin zinc-manganese copper alloy new material for welding and preparation method thereof |
| CN103045908B (en) * | 2013-01-16 | 2014-10-08 | 苏州金仓合金新材料有限公司 | Novel environment-friendly zinc alloy material for welding and preparation method for same |
| CN103056552B (en) * | 2013-01-16 | 2015-04-08 | 苏州金仓合金新材料有限公司 | Novel lead-free copper alloy material for welding and preparation method thereof |
| CN104668810B (en) * | 2015-01-29 | 2016-09-07 | 苏州天兼新材料科技有限公司 | A kind of novel lead-free welding material and the preparation method of scaling powder thereof |
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